What is the cheapest airline to fly from Boston to Kos round-trip?

Cheapflights users have booked flights from Boston to Kos round-trip from $9,829.

What is the cheapest day to fly from Boston to Kos?

Travelers seeking maximum savings on their Boston to Kos flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Boston to Kos?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 35% on your flight compared to booking on days when demand is much higher.

What is the cheapest time of day to fly from BOS to KGS?

When flying from Boston to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 3% versus a flight in the morning.

Most accurate provider : When it comes to deals on Boston-Kos flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Kos flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Kos flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Kos flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Boston to Kos that include hotel bookings?

Yes. In addition to deals on Boston to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Kos?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kos.

Can I find deals for business class flights from Boston to Kos?

Yes. Cheapflights offers flight deals from Boston to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,414+ Flights from Boston, Massachusetts to Kos, Greece

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1. Tell us where you want to go

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Cheap flight deals from Boston to Kos

Find flight deals from Boston to Kos

Cheapest flights from Boston to Kos
Explore the most affordable flight options available from Boston to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

dom. 12/158:40 pmBOS - KGS

2 stops28h 25mMultiple Airlines

dom. 12/2210:35 pmKGS - BOS

2 stops28h 45mMultiple Airlines

Deal found 11/19

$1,845

Best flights from Boston to Kos
Discover carefully curated flight deals from Boston to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 20, 2024.

vie. 1/37:10 amBOS - KGS

3 stops31h 05mMultiple Airlines

vie. 1/106:40 pmKGS - BOS

3 stops32h 25mMultiple Airlines

Deal found 11/19

$1,414

vie. 1/310:10 pmBOS - KGS

2 stops36h 45mEmirates

vie. 1/1012:35 pmKGS - BOS

2 stops32h 20mEmirates

Deal found 11/19

$9,829

Last-minute flights from Boston to Kos
Discover last-minute flight deals from Boston to Kos. Data last updated noviembre 20, 2024 and is based on user searches.

dom. 12/158:40 pmBOS - KGS

2 stops28h 25mMultiple Airlines

dom. 12/2210:35 pmKGS - BOS

2 stops28h 45mMultiple Airlines

Deal found 11/19

$1,845

Find flights from Boston to Kos within your budget

Fly from

Fly to

Route

Depart

Return

Price

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

vie. 1/3

7:10 am-9:15 pm

3 stops31h 05m

Kos

vie. 1/10

6:40 pm-8:05 pm

3 stops32h 25m

$1,414

BostonKos

BOS - KGS

BOSKGS

Boston Logan Intl

vie. 1/3

10:10 pm-5:55 pm

2 stops36h 45m

Kos

vie. 1/10

12:35 pm-1:55 pm

2 stops32h 20m

$9,829

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from Boston to Kos

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kos in November.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boston-Kos flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Kos flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Kos flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boston-Kos flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to Kos

Get recent, data-driven insights about flights from Boston to Kos including ideal travel times, pricing trends, and more.

Rainfall in Kos by month

In terms of precipitation, rainfall in Kos ranges from 0.1 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Kos when rainfall is around 0.1 in.

Temperature in Kos by month

If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Kos

Emirates

8.1

Very good

3,486 reviews

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates

8.1

Very good

3,486 reviews

Emirates

8.1

Very good

3,486 reviews

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

What is the cheapest airline to fly from Boston to Kos round-trip?
Cheapflights users have booked flights from Boston to Kos round-trip from $9,829.
Can I find deals for flights from Boston to Kos that include hotel bookings?
Yes. In addition to deals on Boston to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Kos?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kos.
Can I find deals for business class flights from Boston to Kos?
Yes. Cheapflights offers flight deals from Boston to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Boston to Kos

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Hartford to Santorini flights

Hartford to Mykonos flights

Albany to Santorini flights

Top 2 airlines flying from Boston to Kos

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$928	Average$1,376	FlexibilityNo cancel fee	On-time79%
Lufthansa	Cheapest$1,019	Average$1,184	FlexibilityNo cancel fee	On-time76%

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$1,414+ Cheap flights from Boston (BOS) to Kos (KGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Kos with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Kos

Find flight deals from Boston to Kos

Cheapest flights from Boston to KosExplore the most affordable flight options available from Boston to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

Explore the most affordable flight options available from Boston to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

Find flights from Boston to Kos within your budget

Compare providers for flights from Boston to Kos

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kos in November.

Best time to book a flight from Boston to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Boston with our price prediction graph.

Travel insights for flights from Boston to Kos

Get recent, data-driven insights about flights from Boston to Kos including ideal travel times, pricing trends, and more.

Rainfall in Kos by month

Plan your trip to Kos by taking into account the average rainfall totals by month.

Temperature in Kos by month

Plan your trip to Kos by taking into account the average temperature totals by month.

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated noviembre 20, 2024.

Related info for your journey

Find useful and relevant information for your journey from Boston to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Boston to Kos round-trip?

Can I find deals for flights from Boston to Kos that include hotel bookings?

How can I find direct flights from Boston to Kos?

Can I find deals for business class flights from Boston to Kos?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Kos

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Boston to Kos

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boston to Kos
Explore the most affordable flight options available from Boston to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.